//
// Created by nicemoe on 2021/8/1.
//

#include <iostream>
#include <vector>
#include <array>

using namespace std;
int main()
{
    vector<int> v1(1);
    int n;
    cin >> n;
    v1[0] = n;
    cout << v1[0];
//    vector<double> vd{n};
    array<int,4> a1 = {1,2,3,4};
    return 0;
}